Home / 30,582.56-45,874.15-10,861.90

Finding the Fourth Proportional to 30,582.56, 45,874.15 and 10,861.90

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Solution

The fourth proportional to 30,582.56, 45,874.15 and 10,861.90 is: 16,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582.56 : 45,874.15 = 10,861.90 : x
  2. Step 2: Convert to fraction form
    30,582.56/45,874.15 = 10,861.90/x
  3. Step 3: Cross multiply
    30,582.56x = 45,874.15 × 10,861.90
  4. Step 4: Simplify right side
    30,582.56x = 498,280,288.04
  5. Step 5: Solve for x
    x = 498,280,288.04/30,582.56
  6. Step 6: Final answer
    x = 16,292.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.